The title of this thread suggests that Ira's extensive cultural background includes "Smut" by Tom Lehrer. One of the versus is:

All books can be indecent booksThough recent books are bolderFor filth, I'm glad to say, is inThe mind of the beholderWhen correctly viewedEverything is lewdI could tell you things about Peter PanAnd the Wizard of Oz, there's a dirty old man